Influence of In-Situ Stress on the Energy Transmission of Blasting Stress Wave in Jointed Rock Mass

Table 5

Energy intensities of incident and transmitted stress wave in double-joints rock mass under different equal biaxial static loads.

Static loads (MPa)	Double-joints rock mass
	30°		60°		90°
	ISW (J/m^2)	TSW (J/m^2)	ISW (J/m^2)	TSW (J/m^2)	ISW (J/m^2)	TSW (J/m^2)
0	22.87	3.45	21.36	2.82	23.54	2.92
0.75	17.54	4.46	18.43	4.90	16.42	4.71
1.5	14.65	5.02	15.28	5.47	14.73	5.77
3	7.21	1.87	5.62	1.53	6.33	1.84